import auth from "@/plugins/auth";
import router, {
  constantRoutes,
  dynamicRoutes,
  // dynamicRoutesMobile,
} from "@/router";
import { getRouters } from "@/api/menu";
import Layout from "@/layout/index";
import MobileLayout from "@/mobileLayout/index";
import ParentView from "@/components/ParentView";
import InnerLink from "@/layout/components/InnerLink";
import other from '@/store/modules/other.js'

const permission = {
  state: {
    routes: [],
    addRoutes: [],
    defaultRoutes: [],
    topbarRouters: [],
    sidebarRouters: [],
  },
  mutations: {
    SET_ROUTES: (state, routes) => {
      state.addRoutes = routes;
      state.routes = constantRoutes.concat(routes);
    },
    SET_DEFAULT_ROUTES: (state, routes) => {
      state.defaultRoutes = constantRoutes.concat(routes);
    },
    SET_TOPBAR_ROUTES: (state, routes) => {
      state.topbarRouters = routes;
    },
    SET_SIDEBAR_ROUTERS: (state, routes) => {
      state.sidebarRouters = routes;
    },
  },
  actions: {
    // 生成路由
    GenerateRoutes({ commit }) {
      return new Promise((resolve) => {
        // 向后端请求路由数据
        getRouters().then((res) => {
          let sdata;
          let rdata;
          // router.matcher = new VueRouter({ routes: res.data }).matcher;
          if (other.state.screenSize.width>500) {

            sdata = JSON.parse(JSON.stringify(res.data));
            rdata = JSON.parse(JSON.stringify(res.data));
          } else {
            sdata = setComponent(res.data);
            rdata = setComponent(res.data);
          }
            const sidebarRoutes = filterAsyncRouter(sdata);
            const rewriteRoutes = filterAsyncRouter(rdata, false, true);
            const asyncRoutes = filterDynamicRoutes(dynamicRoutes);
            rewriteRoutes.push({ path: "*", redirect: "/404", hidden: true });
            router.addRoutes(asyncRoutes);
            commit("SET_ROUTES", rewriteRoutes);
            commit("SET_SIDEBAR_ROUTERS", constantRoutes.concat(sidebarRoutes));
            commit("SET_DEFAULT_ROUTES", sidebarRoutes);
            commit("SET_TOPBAR_ROUTES", sidebarRoutes);
            resolve(rewriteRoutes);
        });
      });
    },
  },
};

function setComponent(val) {
  let test = JSON.parse(JSON.stringify(val));
  test.forEach((ele) => {
    ele.component = "MobileLayout";
  });
  setName(test)

  return test;
}

//递归改名字
function setName(params) {
  for(var i = 0; i < params.length; i++) {
      if(params[i].name) {
          params[i].name += '/mobile'+i; // 使用 += 来添加后缀
      }
      if(params[i].children && params[i].children.length > 0) {
          setName(params[i].children); // 传入 params[i].children
      }
  }
  // 如果需要在所有递归调用完成后执行某些操作，可以在这里添加
}

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
  return asyncRouterMap.filter((route) => {
    if (type && route.children) {
      route.children = filterChildren(route.children);
    }
    if (route.component) {
      // Layout ParentView 组件特殊处理
      if (route.component === "Layout") {
        route.component = Layout;
      } else if (route.component === "MobileLayout") {
        route.component = MobileLayout;
      } else if (route.component === "ParentView") {
        route.component = ParentView;
      } else if (route.component === "InnerLink") {
        route.component = InnerLink;
      } else {
        route.component = loadView(route.component);
      }
    }
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type);
    } else {
      delete route["children"];
      delete route["redirect"];
    }
    return true;
  });
}

function filterChildren(childrenMap, lastRouter = false) {
  var children = [];
  childrenMap.forEach((el, index) => {
    if (el.children && el.children.length) {
      if (el.component === "ParentView" && !lastRouter) {
        el.children.forEach((c) => {
          c.path = el.path + "/" + c.path;
          if (c.children && c.children.length) {
            children = children.concat(filterChildren(c.children, c));
            return;
          }
          children.push(c);
        });
        return;
      }
    }
    if (lastRouter) {
      el.path = lastRouter.path + "/" + el.path;
      if (el.children && el.children.length) {
        children = children.concat(filterChildren(el.children, el));
        return;
      }
    }
    children = children.concat(el);
  });
  return children;
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes) {
  const res = [];
  routes.forEach((route) => {
    if (route.permissions) {
      if (auth.hasPermiOr(route.permissions)) {
        res.push(route);
      }
    } else if (route.roles) {
      if (auth.hasRoleOr(route.roles)) {
        res.push(route);
      }
    }
  });
  return res;
}

export const loadView = (view) => {
  if (process.env.NODE_ENV === "development") {
    return (resolve) => require([`@/views/${view}`], resolve);
  } else {
    // 使用 import 实现生产环境的路由懒加载
    return () => import(`@/views/${view}`);
  }
};

export default permission;
